<template>
  <div class="app-container">
    <el-row :gutter="24">
      <el-col :span="24" style="margin-bottom: 20px">
        <el-alert
          title="点击`开始考试`后将自动进入考试，请诚信考试！"
          type="error"
          style="margin-bottom: 10px"
        />

        <el-card class="pre-exam">
          <div><strong>考试名称：</strong>{{ detailData.title }}</div>
          <div><strong>考试时长：</strong>{{ detailData.totalTime }}分钟</div>
          <div><strong>试卷总分：</strong>{{ detailData.totalScore }}分</div>
          <div><strong>及格分数：</strong>{{ detailData.qualifyScore }}分</div>
          <div><strong>考试描述：</strong>{{ detailData.content }}</div>
          <div>
            <strong>开放类型：</strong> {{ detailData.openType | examOpenType }}
          </div>
        </el-card>
      </el-col>

      <el-col :span="24">
        <el-button
          :loading="loading"
          type="primary"
          icon="el-icon-caret-right"
          @click="handleCreate"
        >
          开始考试
        </el-button>

        <el-button @click="handleBack"> 返回 </el-button>
      </el-col>
    </el-row>
  </div>
</template>

<script>
import { fetchDetail } from '@/api/exam/'
import { createPaper } from '@/api/paper'
export default {
  data () {
    return {
      detailData: {},
      postForm: {
        examId: '',
        password: ''
      },
      rules: {
        password: [{ required: true, message: '考试密码不能为空！' }]
      },

      loading: false
    }
  },

  created () {
    this.postForm.examId = this.$route.query.examId
    console.log(this.postForm.examId)
    this.fetchData()
  },

  methods: {
    fetchData () {
      fetchDetail(this.postForm.examId).then(response => {
        this.detailData = response.data
      })
    },

    handleCreate () {
      const that = this
      this.loading = true

      createPaper(this.postForm.examId)
        .then(response => {
          console.log(response)

          if (response.code === 0) {
            this.$router.push({
              path: '/paper/index',
              query: { paperId: response.data }
            })
          } else {
            this.$message.error({
              title: '错误',
              message: response.msg
            })
          }
        })
        .catch(() => {
          this.loading = false
        })
    },

    handleBack () {
      this.$router.push({ name: 'ExamOnline' })
    }
  }
}
</script>

<style scoped>
.pre-exam div {
  line-height: 42px;
  color: #555555;
}
</style>
